I 



DISEASES OF THE SKIN. 159 



Treatment. — For mud fever Williams recommends: 



Glycerin 3 iv. 



Diluted solution of subacetate of lead 3 ss. 



Apply once or twice daily and exercise the animal by walking moderately. 

 Other treatment will be seldom required. 



For erythema of the legs. — Avoid the cause; apply zinc ointment: 



Carbonate of zinc '. . . § i. 



Lard § vi. 



or a liniment of: 



Solution of subacetate of lead § ij. 



Olive oil I viij. 



In cases of long standing, it is best to touch the parts with a solution of 

 nitrate of silver: 



Nitrate of silver 3 i. 



Water | i. 



If the skin is very tender and easily galled by the harness, foment the 

 part with : 



Acetate of lead ^ i. 



Water 1 pint 



URTICARIA. 



Synonrays. — Nettle-rash; Surfeit. 



Definition. — This is a frequent form of skin disease in the horse, and 

 consists of an eruption of elastic eminences, roundish or oblong in shape, 

 and attended with itching. 



Symptoms. — The lumps rise quickly, and upon the greater part of 

 the body, generally beginning upon the neck, and frequently disappear- 



